1. Holdren J. P. Public access memorandum from the Office of Science and Technology Policy ; www.whitehouse.gov/sites/default/files/microsites/ostp/ostp_public_access_memo_2013.pdf.
2. Editors “We Paid for the Research So Let's See It ” New York Times 25 February 2013 p. A24; www.nytimes.com/2013/02/26/opinion/we-paid-for-the-scientific-research-so-lets-see-it.html?_r=0.
3. Biological Macromolecular Resource RCSB PDB . www.rcsb.org/pdb/home/home.do.
4. Longitudinal Study of American Youth www.isr.umich.edu/cps/project_lsay.html.
5. Blue Ribbon Task Force on Sustainable Digital Preservation and Access, Sustaining the Digital Investment: Issues and Challenges of Economically Sustainable Digital Preservation: Interim Report (BRTF-SDPA, La Jolla, CA, 2008); http://brtf.sdsc.edu/publications.html.